Patents by Inventor Edwin Albert James Chalk

Edwin Albert James Chalk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Valve arrangement and assembly for dispensing a liquid from a container to an animal
    Patent number: 6912971
    Abstract: An assembly (2) for dispensing a liquid (4) from a container (6, 54, 58) to the mouth (8) of an animal, on demand of the animal. The assembly comprises a sealed container at least partially filled with the liquid and a valve arrangement (22). The valve arrangement comprises a first tube portion (24) adapted to pierce a portion (14) of the container to receive the liquid from the container, a second tube portion (28) adapted with an end to be used by the animal, and a valve adapted to be actuated by the animal to permit the flow of the liquid from the container to the end of the second tube portion.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: July 5, 2005
    Assignee: Aquaflow Laboratory Products Limited
    Inventor: Edwin Albert James Chalk